102143195 has 48 divisors (see below), whose sum is σ = 157199616. Its totient is φ = 63000000.

The previous prime is 102143159. The next prime is 102143257. The reversal of 102143195 is 591341201.

It is not a de Polignac number, because 102143195 - 2¹⁴ = 102126811 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 406820 + ... + 407070.

It is an arithmetic number, because the mean of its divisors is an integer number (3274992).

Almost surely, 2^102143195 is an apocalyptic number.

102143195 is a deficient number, since it is larger than the sum of its proper divisors (55056421).

102143195 is a wasteful number, since it uses less digits than its factorization.

102143195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 102143195 is about 10106.5916608914. The cubic root of 102143195 is about 467.4514157333.

Adding to 102143195 its reverse (591341201), we get a palindrome (693484396).

The spelling of 102143195 in words is "one hundred two million, one hundred forty-three thousand, one hundred ninety-five".